Ready for a quick hike? Just flip it inside out, and you’ve got room for snacks, layers, essentials, and 1.5 liters of water. Its lightweight materials and packable design also make it an excellent travel bag that won’t add bulk to your luggage. This updated version of the Arête with additional pockets to keep your gear organized, along with a sternum strap and a lightweight back panel to give the bag a little more structure.